Home / 43,913.24-65,849.70-18,941.32

Finding the Fourth Proportional to 43,913.24, 65,849.70 and 18,941.32

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Solution

The fourth proportional to 43,913.24, 65,849.70 and 18,941.32 is: 28,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.24 : 65,849.70 = 18,941.32 : x
  2. Step 2: Convert to fraction form
    43,913.24/65,849.70 = 18,941.32/x
  3. Step 3: Cross multiply
    43,913.24x = 65,849.70 × 18,941.32
  4. Step 4: Simplify right side
    43,913.24x = 1,247,280,239.60
  5. Step 5: Solve for x
    x = 1,247,280,239.60/43,913.24
  6. Step 6: Final answer
    x = 28,403.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.